
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Write a function called repeater(s1, s2, n) that given two strings s1 and
s2 and an integer n returns a string that starts with an underscore ('_'),
then s1 and s2 alternate n times, then ends with an underscore.
Please do not use loops.
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